diff --git a/openmp/CMakeLists.txt b/openmp/CMakeLists.txt
--- a/openmp/CMakeLists.txt
+++ b/openmp/CMakeLists.txt
@@ -53,32 +53,14 @@
 set(OPENMP_TEST_OPENMP_FLAGS ${OPENMP_TEST_COMPILER_OPENMP_FLAGS} CACHE STRING
   "OpenMP compiler flag to use for testing OpenMP runtime libraries.")
 
-set(ENABLE_LIBOMPTARGET ON)
-# Currently libomptarget cannot be compiled on Windows or MacOS X.
-# Since the device plugins are only supported on Linux anyway,
-# there is no point in trying to compile libomptarget on other OSes.
-if (APPLE OR WIN32 OR NOT OPENMP_HAVE_STD_CPP14_FLAG)
-  set(ENABLE_LIBOMPTARGET OFF)
-endif()
-
-option(OPENMP_ENABLE_LIBOMPTARGET "Enable building libomptarget for offloading."
-       ${ENABLE_LIBOMPTARGET})
-option(OPENMP_ENABLE_LIBOMPTARGET_PROFILING "Enable time profiling for libomptarget."
-       ${ENABLE_LIBOMPTARGET})
 option(OPENMP_ENABLE_LIBOMP_PROFILING "Enable time profiling for libomp." OFF)
 
 # Build host runtime library, after LIBOMPTARGET variables are set since they are needed
 # to enable time profiling support in the OpenMP runtime.
 add_subdirectory(runtime)
 
+option(OPENMP_ENABLE_LIBOMPTARGET "Enable building libomptarget for offloading." ON)
 if (OPENMP_ENABLE_LIBOMPTARGET)
-  # Check that the library can actually be built.
-  if (APPLE OR WIN32)
-    message(FATAL_ERROR "libomptarget cannot be built on Windows and MacOS X!")
-  elseif (NOT OPENMP_HAVE_STD_CPP14_FLAG)
-    message(FATAL_ERROR "Host compiler must support C++14 to build libomptarget!")
-  endif()
-
   add_subdirectory(libomptarget)
 endif()
 
@@ -94,7 +76,6 @@
   add_subdirectory(tools)
 endif()
 
-
 # Build documentation
 add_subdirectory(docs)
 
diff --git a/openmp/libomptarget/CMakeLists.txt b/openmp/libomptarget/CMakeLists.txt
--- a/openmp/libomptarget/CMakeLists.txt
+++ b/openmp/libomptarget/CMakeLists.txt
@@ -27,12 +27,24 @@
 # Message utilities.
 include(LibomptargetUtils)
 
+if (APPLE OR WIN32)
+  libomptarget_say("libomptarget can only work on Linux for now. Will not build libomptarget.")
+  return()
+endif()
+
+if (NOT OPENMP_HAVE_STD_CPP14_FLAG)
+  libomptarget_say("Building libomptarget requires the compiler support C++14. Will not build libomptarget.")
+  return()
+endif()
+
 # Get dependencies for the different components of the project.
 include(LibomptargetGetDependencies)
 
-# LLVM source tree is required at build time for libomptarget
+# LLVM source tree is required at build time for libomptarget. If it is missing,
+# libomptarget will not be built.
 if (NOT LIBOMPTARGET_LLVM_INCLUDE_DIRS)
-  message(FATAL_ERROR "Missing definition for LIBOMPTARGET_LLVM_INCLUDE_DIRS")
+  libomptarget_say("Building libomptarget requires LLVM 12.0+ components. Will not build libomptarget.")
+  return()
 endif()
 
 # This is a list of all the targets that are supported/tested right now.
@@ -61,6 +73,8 @@
   add_definitions(-DOMPTARGET_DEBUG)
 endif()
 
+option(OPENMP_ENABLE_LIBOMPTARGET_PROFILING "Enable time profiling for libomptarget." ON)
+
 set(LIBOMPTARGET_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
 include_directories(${LIBOMPTARGET_INCLUDE_DIR})
 
@@ -74,7 +88,6 @@
 set(LIBOMPTARGET_OPENMP_HOST_RTL_FOLDER "${LIBOMP_LIBRARY_DIR}" CACHE STRING
   "Path to folder containing libomp.so, and libLLVMSupport.so with profiling enabled")
 
-
 # Build offloading plugins and device RTLs if they are available.
 add_subdirectory(plugins)
 add_subdirectory(deviceRTLs)
diff --git a/openmp/libomptarget/cmake/Modules/LibomptargetGetDependencies.cmake b/openmp/libomptarget/cmake/Modules/LibomptargetGetDependencies.cmake
--- a/openmp/libomptarget/cmake/Modules/LibomptargetGetDependencies.cmake
+++ b/openmp/libomptarget/cmake/Modules/LibomptargetGetDependencies.cmake
@@ -26,7 +26,13 @@
 if (OPENMP_STANDALONE_BUILD)
   # Complete LLVM package is required for building libomptarget
   # in an out-of-tree mode.
-  find_package(LLVM REQUIRED)
+  find_package(LLVM 12 QUIET)
+  if (NOT LLVM_FOUND)
+    # Return here directly as if `libomptarget` is not built, there is no reason
+    # to continue finding dependences for deviceRTLs or plugins.
+    return()
+  endif()
+
   message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
   message(STATUS "Using LLVM in: ${LLVM_DIR}")
   list(APPEND LIBOMPTARGET_LLVM_INCLUDE_DIRS ${LLVM_INCLUDE_DIRS})
diff --git a/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt b/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
--- a/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
+++ b/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
@@ -30,11 +30,6 @@
   return()
 endif()
 
-if (NOT LIBOMPTARGET_LLVM_INCLUDE_DIRS)
-  libomptarget_say("Not building AMDGPU plugin: Missing definition for LIBOMPTARGET_LLVM_INCLUDE_DIRS")
-  return()
-endif()
-
 libomptarget_say("Building amdgpu offloading plugin")
 
 ################################################################################